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Evans, Cadwallader:

STEAM-ENGINES. MEMORIAL OF CADWALLADER EVANS, FOR AN APPROPRIATION TO ENABLE HIM TO TEST HIS INVENTION TO PREVENT THE EXPLOSION OF STEAM-BOILERS, &C. JANUARY 7, 1839. REFERRED TO THE SELECT COMMITTEE ON JANUARY 16, 1839. ORDERED TO BE PRINTED.

HD88., 25th Cong., 3d Sess.: 1839 5, [3 blank] pp. Folding chart. Disbound. Lightly foxed. Good+. "The principles of the petitioner's invention consist of preventing the possibility of there ever being a greater pressure than desired in the boilers, preventing the possibility of the boilers ever getting beyond a certain and safe temperature, and preventing the water in the boilers from ever getting too low or too high."


Book Id: 20703

Price: $35.00

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